MPD: util/NumberParser.hxx Source File

MPD 0.20.15

NumberParser.hxx
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1 /*
2 * Copyright (C) 2009-2013 Max Kellermann <max.kellermann@gmail.com>
3 * http://www.musicpd.org
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the
15 * distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21 * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28 * OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #ifndef NUMBER_PARSER_HXX
32 #define NUMBER_PARSER_HXX
33
34 #include <assert.h>
35 #include <stdint.h>
36 #include <stdlib.h>
37
38 static inline unsigned
39 ParseUnsigned(const char *p, char **endptr=nullptr, int base=10)
40 {
41 assert(p != nullptr);
42
43 return (unsigned)strtoul(p, endptr, base);
44 }
45
46 static inline int
47 ParseInt(const char *p, char **endptr=nullptr, int base=10)
48 {
49 assert(p != nullptr);
50
51 return (int)strtol(p, endptr, base);
52 }
53
54 static inline uint64_t
55 ParseUint64(const char *p, char **endptr=nullptr, int base=10)
56 {
57 assert(p != nullptr);
58
59 return strtoull(p, endptr, base);
60 }
61
62 static inline int64_t
63 ParseInt64(const char *p, char **endptr=nullptr, int base=10)
64 {
65 assert(p != nullptr);
66
67 return strtoll(p, endptr, base);
68 }
69
70 static inline double
71 ParseDouble(const char *p, char **endptr=nullptr)
72 {
73 assert(p != nullptr);
74
75 return (double)strtod(p, endptr);
76 }
77
78 static inline float
79 ParseFloat(const char *p, char **endptr=nullptr)
80 {
81 return (float)ParseDouble(p, endptr);
82 }
83
84 #endif
ParseInt
static int ParseInt(const char *p, char **endptr=nullptr, int base=10)
Definition: NumberParser.hxx:47
ParseFloat
static float ParseFloat(const char *p, char **endptr=nullptr)
Definition: NumberParser.hxx:79
ParseUint64
static uint64_t ParseUint64(const char *p, char **endptr=nullptr, int base=10)
Definition: NumberParser.hxx:55
ParseDouble
static double ParseDouble(const char *p, char **endptr=nullptr)
Definition: NumberParser.hxx:71
ParseUnsigned
static unsigned ParseUnsigned(const char *p, char **endptr=nullptr, int base=10)
Definition: NumberParser.hxx:39
ParseInt64
static int64_t ParseInt64(const char *p, char **endptr=nullptr, int base=10)
Definition: NumberParser.hxx:63